Killer Sudoku, Difficulty 3

Puzzle 15548 Nov 30 November 2017
Puzzle 15598 Dec 10 December 2017
Puzzle 15618 Dec 14 December 2017
Puzzle 15628 Dec 16 December 2017
Puzzle 15648 Dec 20 December 2017
Puzzle 15668 Dec 24 December 2017
Puzzle 15698 Dec 30 December 2017
Puzzle 15723 Jan 4 January 2018
Puzzle 15733 Jan 6 January 2018
Puzzle 15743 Jan 8 January 2018
Daily Killer Sudoku